Hillfort

Link

Nearby West Hill (between Uley Bury and Hetty Peglar's Tump) was the site of an Iron Age shrine, and after it, a Roman temple. It's even possible that there was a Neolithic monument beneath these. You can download EH's Archaeological Monograph about the excavations of "The Uley Shrines" by Woodward and Leach (1993) from the ADS website.